Priestley is an impact crater in the Eridania quadrangle of Mars, located at 54.4°S latitude and 229.4°W longitude. It measures 41.9 kilometers in diameter and was named after English clergyman and scientist Joseph Priestley. The naming was approved by IAU's Working Group for Planetary System Nomenclature in 1973.[1]
The larger crater Haldane is to the northwest of Priestley.
Priestly crater, as seen by CTX camera (on MRO)
Viking Orbiter 1 image with Haldane near center and Priestley to the right.
Original source: https://en.wikipedia.org/wiki/Priestley (Martian crater).
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